int main()
{
	char b[4] = { 'z', 'q', 's','l'};
	int a[4], j, i;
	for(a[0] = 10; a[0] <= 50; a[0] += 10)
		for(a[1] = 10; a[1] <= 50; a[1] += 10)
		{
			if(a[0] == a[1])continue;
			for(a[2] = 10; a[2] <= 50; a[2] += 10)
			{
				if(a[2] == a[1] || a[2] == a[0])continue;
				for(a[3] = 10; a[3] <= 50; a[3] += 10)
				{
					if(a[3] == a[0] || a[3] == a[1] || a[2] == a[3])continue;
					if(a[0] + a[1] == a[2] + a[3] && a[0] + a[3] > a[1] + a[2] && a[0] + a[2] < a[1])
						for(i = 50; i >= 10; i -= 10)
							for(j = 0; j <= 3; j++)
								if(a[j] == i)
									cout << b[j] << ' ' << i << endl;
				}
			}
		}
	return 0;
}